本文实例为大家分享了python交互式图形编程的具体代码,供大家参考,具体内容如下
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#!/usr/bin/env python3# -*- coding: utf-8 -*-
#温度转换
from graphics import *
win = GraphWin( "摄氏温度转换器" , 400 , 300 )
win.setCoords( 0.0 , 0.0 , 3.0 , 4.0 )
# 绘制接口
Text(Point( 1 , 3 ), " 摄氏温度:" ).draw(win)
Text(Point( 1 , 1 ), " 华氏温度:" ).draw(win)
input = Entry(Point( 2 , 3 ), 5 )
input .setText( "0.0" )
input .draw(win)
output = Text(Point( 2 , 1 ),"")
output.draw(win)
button = Text(Point( 1.5 , 2.0 ), "转换" )
button.draw(win)
Rectangle(Point( 1 , 1.5 ), Point( 2 , 2.5 )).draw(win)
# 等待鼠标点击
win.getMouse()
# 转换输入
celsius = eval ( input .getText())
fahrenheit = 9.0 / 5.0 * celsius + 32.0
# 显示输出,改变按钮
output.setText(fahrenheit)
button.setText( "退出" )
# 等待响应鼠标点击,退出程序
win.getMouse()
win.close()
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#方块移动
from tkinter import *
def main():
tk = Tk()
canvas = Canvas(tk, width = 400 , height = 400 )
canvas.pack()
def moverectangle(event):
if event.keysym = = "Up" :
canvas.move( 1 , 0 , - 5 )
elif event.keysym = = "Down" :
canvas.move( 1 , 0 , 5 )
elif event.keysym = = "Left" :
canvas.move( 1 , - 5 , 0 )
elif event.keysym = = "Right" :
canvas.move( 1 , 5 , 0 )
canvas.create_rectangle( 180 , 180 , 220 , 220 ,fill = "red" )
canvas.bind_all( "<KeyPress-Up>" ,moverectangle)
canvas.bind_all( "<KeyPress-Down>" ,moverectangle)
canvas.bind_all( "<KeyPress-Left>" ,moverectangle)
canvas.bind_all( "<KeyPress-Right>" ,moverectangle)
tk.mainloop()
if __name__ = = '__main__' :
main()
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from graphics import *
def convert( input ):
celsius = eval ( input .getText()) # 输入转换
fahrenheit = 9.0 / 5.0 * celsius + 32
return fahrenheit
def colorChange(win, input ):
cnum = eval ( input .getText())
weight = cnum / 100.0
newcolor = color_rgb( int ( 255 * weight), int ( 66 + 150 * ( 1 - weight)), int ( 255 * ( 1 - weight)))
win.setBackground(newcolor)
def main():
win = GraphWin( "摄氏温度转换" , 400 , 300 )
win.setCoords( 0.0 , 0.0 , 3.0 , 4.0 )
# 绘制输入接口
Text(Point( 1 , 3 ),
" 摄氏温度:" ).draw(win)
Text(Point( 2 , 2.7 ),
" (请输入: 0.0-100.0 )" ).draw(win)
Text(Point( 1 , 1 ),
"华氏温度:" ).draw(win)
input = Entry(Point( 2 , 3 ), 5 )
input .setText( "0.0" )
input .draw(win)
output = Text(Point( 2 , 1 ),"")
output.draw(win)
button = Text(Point( 1.5 , 2.0 ), "转换" )
button.draw(win)
rect = Rectangle(Point( 1 , 1.5 ), Point( 2 , 2.5 ))
rect.draw(win)
# 等待鼠标点击
win.getMouse()
result = convert( input ) # 转换输入
output.setText(result) # 显示输出
# 改变颜色
colorChange(win, input )
# 改变按钮字体
button.setText( "退出" )
# 等待点击事件,退出程序
win.getMouse()
win.close()
if __name__ = = '__main__' :
main()
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以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://www.cnblogs.com/hayden1106/p/7844488.html